Display Module
4-Digit Display Module
Description: The TM1650 is a driver IC for 4‑digit 7‑segment LED displays. It communicates via I2C and supports brightness control, individual digit control, and decimal points.
Library Installation: This module requires the TM1650 library to be downloaded to the board first.
Connection:
W55MH32 |
4-Digit Display Module |
|---|---|
3V3 |
VCC |
GND |
GND |
PB10 (SCL) |
SCL |
PB11 (SDA) |
SDA |
Test Code: GitHub
Demo:
LED Module
Description: This is a 3‑pin LED module with onboard resistor and power LED. It can be easily connected to a GPIO pin for digital output control. The LED turns on when the signal pin is set HIGH or LOW.
Connection:
W55MH32 |
LED Module |
|---|---|
3V3 |
VCC |
GND |
GND |
PG8 |
Signal |
Test Code: GitHub
Demo:
OLED Monitor Module
Description: The OLED display module uses for displaying text and graphics on a small OLED screen. It communicates via I2C, requiring only two data lines (SDA and SCL) plus power and ground.
Connection:
W55MH32 |
OLED Monitor Module |
|---|---|
3V3 |
VCC |
GND |
GND |
PB6 (SCL) |
SCL |
PB7 (SDA) |
SDA |
Test Code: GitHub
Demo:
RGB LED Module
Description: The NeoPixel RGB LED module uses WS2812 addressable LEDs, controlled by a single data line. Each LED can be individually set to any color (24-bit RGB) using a precise timing protocol. The module can be used for colorful indicators, ambient lighting, or animations.
Connection:
W55MH32 |
RGB LED Module |
|---|---|
3V3 |
VCC |
GND |
GND |
PG8 |
Signal |
Test Code: GitHub
Demo:
Dotmatrix Display Module
Description: The dotmatrix display module displays characters, numbers, and simple graphics.
Connection:
W55MH32 |
Dotmatrix Display Module |
|---|---|
3V3 |
VCC |
GND |
GND |
PG8 |
DIO |
PG7 |
CLK |
Test Code: GitHub
Demo:
